Get short, timely messages from Bon Crowder.

Twitter is a rich source of instantly updated information. It's easy to stay updated on an incredibly wide variety of topics. Join today and follow @mathfour.

Get updates via SMS by texting follow mathfour to 40404 in the United States
Codes for other countries

Two-way (sending and receiving) short codes:
Country Code For customers of
Australia
  • 0198089488 Telstra
Canada
  • 21212 (any)
United Kingdom
  • 86444 Vodafone, Orange, 3, O2
Indonesia
  • 89887 AXIS, 3, Telkomsel
Ireland
  • 51210 O2
India
  • 53000 Bharti Airtel, Videocon
Jordan
  • 90903 Zain
New Zealand
  • 8987 Vodafone, Telecom NZ
United States
  • 40404 (any)

mathfour

  1. Today's harvest. instagr.am/p/LVImOfwtvD/ about 2 hours ago via Instagram
  2. Things are slow on #MathFour because @MathPsych and I are cranking hard to get #ThatsMath launched - using @wishlistproduct member... #soon about 3 hours ago via web
  3. @tomewer Was in high decision mode with @mathpsych yesterday and thought about you. "Tom would know what to do," thought I. #wwtd about 4 hours ago via Twitter for iPhone in reply to tomewer
  4. Teaching Math with Counting. #mathchat is.gd/ZXVJlN #SetsandCounting about 6 hours ago via Tweet Old Post
  5. [50 Word Friday] Say Hi to The Math Shack!. #mathchat is.gd/9xjXPx #50Word about 24 hours ago via Tweet Old Post
  6. How to Calculate the Weight of Cannon. #mathchat is.gd/jTaybs #MathAroundUs 12:58 PM May 30th via Tweet Old Post
  7. Researcher at Work!. #mathchat is.gd/37Ff8x #General 6:40 PM May 29th via Tweet Old Post
  8. @sprittibee I'll see you June 8 - I can crash at your place still, right? 4:07 AM May 29th via TweetDeck in reply to sprittibee
  9. Geometry with Cheese. #mathchat is.gd/okCFXv #Geometry 12:28 AM May 29th via Tweet Old Post
  10. Celebrating #MemorialDay so @MathPsych and I will be missing #mathchat twitter.com/mathfour/statu… 12:17 PM May 28th via Twitter for iPhone
  11. Math Education Revolution - The Last Piece Is Easy & Cheap!. #mathchat is.gd/COts4M #General 5:52 AM May 28th via Tweet Old Post
  12. I mean 50 days. It's 50 days after Easter (not weeks) @dweksler @cccathedraltx #thatsmath #Pentacost 11:29 AM May 27th via Twitter for iPhone
  13. @susandowning I know it was originally in French but don't know of math connection. I learned of it at Toastmasters. 11:26 AM May 27th via Twitter for iPhone in reply to susandowning
  14. Watch the Create Chatter Interview!. #mathchat is.gd/1xy9Yj #Interview 11:21 AM May 27th via Tweet Old Post
  15. And of course the girl wants to do it too! #weird instagr.am/p/LIsnzrQtmV/ 8:56 AM May 27th via Instagram
  16. I'm not sure why I find this so cute. #weird instagr.am/p/LIrwnhwtl2/ 8:49 AM May 27th via Instagram
  17. @susandowning OH! Speaking of e (not ln) - have you heard of the book _A Void_? Written entirely without the letter e! (not factorial) 7:58 AM May 27th via Twitter for iPhone in reply to susandowning
  18. @susandowning You're so kind for saying so! I'm so happy to be tweeting alongside other math folks excited about helping learners. 7:56 AM May 27th via Twitter for iPhone in reply to susandowning
  19. Rev Stein at @cccathedraltx this morning tells us that Pentecost means 50 weeks. "pent-" = 5; Cool! #thatsmath 7:46 AM May 27th via Twitter for iPhone
  20. @susandowning I'm in awe. #iamnotworthy 6:56 PM May 26th via Twitter for iPhone in reply to susandowning
  • Name Bon Crowder
  • Location Houston, Texas
  • Web http://mathfour.com/
  • Bio Publisher of MathFour, a math-teaching strategies website for parents. Mom of 2yo Daughter. Part of the math revolution. Writer for @hsbapost.
1,000 Following 1,403 Followers 98 Listed
Christ Church The Alley Theatre King's Maths Dept. Linda Fahlberg GeoGebra Math TEACH Houston Mrs. Young redlionpub Geoffrey Haselhurst Dick Carlson Tasha Cowdy Highlights cmhouston mochadad Total Tutor Dr. Sheldon Horowitz Krissy Venosdale Miles MacFarlane alli cantu Education Revolution Bernie DeKoven Tesla Prime Janice Filiatraut LearnBoost Jeanette Stein Mona LaToniyaAJones Julianna Stockton Kelly Russell Maggie Hogan DomesticManagers Eoin Connolly Bill Hammond Math Professor Hui Zhao SchoolZonePublishing